class Config:
    ENV = 'development'
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = 'mysql+pymysql://root:456281937@127.0.0.1:3306/flask'  # 数据库链接路径 //用户名：密码@主机名:端口号/数据库名
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    SQLALCHEMY_EHCO = True
